Which of the following is used as a fuel in cars along with petrol?

Correct option is B

The correct answer is (b) Ethanol.
· Ethanol is commonly used as a fuel in cars along with petrol. It is blended with petrol to create a mixture known as E10 (10% ethanol and 90% petrol) or higher ethanol blends.
· Ethanol is a renewable biofuel made from plant materials, such as corn or sugarcane, and helps reduce emissions and dependence on fossil fuels.
Information Booster:
Methane:
· Methane is used as a fuel in compressed natural gas (CNG) vehicles but not typically mixed with petrol.
Butane:
· Butane is used in liquefied petroleum gas (LPG) and is not typically mixed with petrol for use in conventional car engines.
Ethane:
· Ethane is used primarily in the petrochemical industry to produce ethylene and is not a common fuel for cars.